CN101757947A - Modified resin catalyst and preparation method thereof - Google Patents
Modified resin catalyst and preparation method thereof Download PDFInfo
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- CN101757947A CN101757947A CN201010000441A CN201010000441A CN101757947A CN 101757947 A CN101757947 A CN 101757947A CN 201010000441 A CN201010000441 A CN 201010000441A CN 201010000441 A CN201010000441 A CN 201010000441A CN 101757947 A CN101757947 A CN 101757947A
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Abstract
The invention relates to a modified resin catalyst and a preparation method thereof. The modified resin catalyst is particularly suitable for being used as the catalyst for preparing tertiary butyl alcohol (TBA) from isobutene through hydration, preparing normal butyl alcohol (SBA) from n-butene through hydration and preparing isopropyl alcohol (IPA) from propylene through hydration. The invention introduces a certain amount of alkylamine into resin in a styrene sulfonic acid cation resin catalyst by an ion exchange method for preparing the multifunctional radical catalyst, the compatibility of the catalyst on olefin is obviously improved, and the concentration of the olefin reactant around the active center of the catalyst is improved, so the olefin hydration conversion rate is obviously improved.
Description
Technical field
The present invention relates to a kind of modified resin catalyst and preparation method thereof, specifically, the present invention relates to a kind of such catalytic reaction that is used for, the reaction that two or more material that is that reactant is immiscible or intersolubility is relatively poor participates in is particularly suitable as the isobutene hydration and produces the tert-butyl alcohol (TBA), n-butylene hydration and produce the catalyst that n-butanol (SBA), propylene hydration are produced isopropyl alcohol (IPA).
Technical background
Polystyrene highly acidic resin catalyst has been widely used in the commercial plant of isobutene hydration, and the catalyst of this purposes has many trade names, as D006, A15, A35, D005, D002, QRE-1 etc.Many patents are also disclosed for this reason, the preparation method of catalyst of large porous strong acid cation exchange resin is disclosed as patent No. CN1151334A, patent No. CN1389297A discloses the preparation method of macroporous cation exchange resin catalyst with high exchange capacity, and the inventor also discloses patent No. CN1555924A high-capacity resin Catalysts and its preparation method.Or the like.
On phenyl ring, introduce F, Cl, the high temperature resistant polystyrene highly acidic resin catalyst of electron withdraw groups such as Br also has been widely used in n-butylene hydration device and propylene hydration device, the catalyst of this purposes also has many trades mark, as D008, DHC-1, A45, A70, DNW-1 etc., many patents are also disclosed for this reason, the preparation method of high thermal stability sulfonic acid type cation exchange resin catalyst is disclosed as patent No. CN1167011A, patent No. ZL92101543.7 discloses high temperature resistant strongly acidic cation-exchange method for preparing catalyst, the inventor also discloses the high temperature resistant strong acid cation resin Catalysts and its preparation method of patent No. CN1569334A, or the like.
No matter be catalyst or the commercial resin catalyst that above-mentioned disclosed patent relates to, its functional group all is single sulfonic group-SO
3H, because sulfonic acid group is a hydrophilic and oleophobic, thereby above-mentioned sulfonic acid type list functional group catalyst all makes its catalytic activity be subjected to appreciable impact because of its compatibility difference to alkene in reaction that has apolar medium to participate in such as olefin hydration course of reaction.
Although the patent of publication number CN101229520A has also proposed alkyl amine group partly is incorporated into sulfonic group (SO
3H) thinking, but its method is to by the sulfonic group (SO on the sulfonic acid ion exchange resin finished product of sulfuric acid sulfonation
3H) carry out sulfonylation, and then carry out complicated reaction and process such as N-acylation reaction, each step all with a large amount of dichloroethanes as reaction dissolvent.The present invention then be with the sulfonic acid ion exchange resin finished product directly and alkylamine in water, carry out the target product that ion-exchange is produced under the stirring, do not need to add dichloroethanes as reaction dissolvent, meet environmental protection requirement more.Therefore the present invention compares with the patent of publication number CN101229520A and has that operation is simple, do not need to consume advantages such as the waste liquid of toxic solvent such as a large amount of dichloroethanes and generation is few, help reducing the cost of enterprise liquid waste processing aspect, increase economic efficiency.
Summary of the invention
The present invention proposes the alkyl amine lipophilic group of in the sulfonic resin catalyst, introducing some by the method for ion-exchange, produced a kind of multi-functional group catalyst, this multi-functional group catalyst still plays leading catalytic action with sulfonic acid group, but because the introducing of alkyl amine lipophilic group, obviously improved the compatibility of catalyst to alkene, improve the concentration of olefin reactant on every side of catalyst active center, thereby significantly improved the conversion ratio of olefin hydration.
Technical scheme of the present invention is as follows:
A kind of preparation method who prepares modified resin catalyst, its step is as follows:
With crosslinked polystyrene be sulfonic acid sun resin or on phenyl ring introducing-F ,-Cl ,-Br ,-NO
2The crosslinked polystyrene of electron withdraw group be sulfonic acid sun resin as matrix, join in the mixture of pure water and alkylamine, by the method for ion-exchange alkylamine is introduced sulfonic acid sun resin at a certain temperature and obtains containing sulfonic group-SO
3The catalyst of H, sulfonic alkyl amine multi-functional group.
The preparation method of aforesaid modified resin catalyst is characterized by, and described ion exchange process carries out under the stirring in reactor.
The preparation method of aforesaid modified resin catalyst is characterized by, and described ion exchange process is to carry out under 10～100 ℃ in temperature.
The preparation method of aforesaid modified resin catalyst is characterized by, and described ion-exchange time is 0.5～20 hour.
The preparation method of aforesaid modified resin catalyst is characterized by, and described alkylamine is a kiber alkyl amine NH
2R, dialkylamine NHRR
1, trialkyl tertiary amine N RR
1R
2, tetraalkyl quaternary amine NRR
1R
2R
3In one or more mixture, the dosage of alkylamine is 1～90% of a sulfonic acid group mol number; Described R, R1, R2, R3 are alkyl identical or inequality, and the carbon number of R, R1, R2, R3 is 1～22.
The preparation method of aforesaid modified resin catalyst is characterized by, and the addition of alkylamine is 3～50% of a sulfonic acid group mol number.
The preparation method of aforesaid modified resin catalyst is characterized by, and the addition of alkylamine is 5～25% of a sulfonic acid group mol number.
The preparation method of aforesaid modified resin catalyst is characterized by, and wherein the carbon number of R, R1, R2, R3 is 1～20.
The modification strong acid sun resin catalyst that the preparation method of one of said method is prepared.
The present invention has following advantage: compare with used olefin hydration resin catalyst, conversion ratio can improve 10～30%, can make olefin hydration reaction unit production capacity enlarge 10～30%, and energy consumption reduces significantly.Compare with the patent of CN101229520A, the present invention has that operation is simple, do not need to consume advantages such as the waste liquid of toxic solvent such as a large amount of dichloroethanes and generation is few, helps reducing the cost of enterprise liquid waste processing aspect, increases economic efficiency.And product of the present invention is compared with the product to CN101229520A, and is stronger to the average selectivity of alkene, reaches more than 97%, and the expulsion rate of reaction back functional group sulfonic group and alkylamino radical is lower.
The specific embodiment
Following example only is to further specify the present invention, is not the restriction the scope of protection of the invention.
Embodiment 1:
The D006 type large porous strong acid sun resin catalyst 100g that gets triumphant auspicious Chemical Manufacture adds in the 2000ml reactor, the mixture that adds 400ml pure water and 16.4g double hexadecyl methylamine and 20.3g dioctadecyl dimethyl ammonium chloride respectively, reacted 10 hours down at 95 ℃, make 135.6g end product---catalyst A, it records physical and chemical index and lists table 1 in.
Embodiment 2:
The high temperature resistant large porous strong acid sun of the D008 type of introducing electron-withdrawing group Cl on the phenyl ring resin catalyst 100g that gets triumphant auspicious Chemical Manufacture adds in the 2000ml reactor, according to the method identical with embodiment 1, just aminating agent is changed into the mixture of 12.5g lauryl amine-1, the two myristyl secondary amine of 17.8g, 16.4g double hexadecyl methylamine and 20.3g dioctadecyl dimethyl ammonium chloride, reacted 20 hours down at 25 ℃, make 189.6g end product---catalyst B, it records physical and chemical index and lists table 1 in.
Embodiment 3:
Getting the commercially available high temperature resistant large porous strong acid sun resin catalyst 100g that introduces electron-withdrawing group Br on phenyl ring adds in the 2000ml reactor, the mixture that adds 400ml pure water and 12.5g dodecyl primary amine-1 and 15.3g dioctadecyl dimethyl ammonium chloride respectively, reacted 0.5 hour down at 30 ℃, making the 132.5g end product---catalyst C, it records physical and chemical index and lists table 1 in.
The comparative example 1:
The D006 type large porous strong acid sun resin catalyst 100g that gets triumphant auspicious Chemical Manufacture is catalyst A as a comparison
0, it records physical and chemical index and lists table 1 in.
The comparative example 2:
The high temperature resistant large porous strong acid sun of the D008 type of introducing electron-withdrawing group Cl on the phenyl ring resin catalyst 100g that gets triumphant auspicious Chemical Manufacture is catalyst B as a comparison
0, it records physical and chemical index and lists table 1 in.
The comparative example 3:
Get the brominated Polystyrene microballoon and join in the reactor, add 500ml concentration and be 105% sulfuric acid and carry out sulfonation, obtain 322.4g introduces bromine on phenyl ring high temperature resistant acid resin catalyst (comparative catalyst C
0), it records physical and chemical index and lists table 1 in.
Table 1, catalyst physical and chemical index
Table 2, isobutene hydration contrast qualification test result:
Isobutene hydration assessing terms: 1, loaded catalyst: 50ml.2, reaction temperature: 75 ℃.3, reaction pressure: 1.4MPa.4, the reaction water yield: 40ml/h.5, isobutylene feed amount: 10ml/h.6, isobutene purity 44.7%.7, test period: 1000 hours.
Table 3, n-butylene hydration contrast qualification test result:
N-butylene hydration assessing terms: 1, loaded catalyst: 50ml.2, reaction temperature: 150 ℃.3, reaction pressure: 6.0MPa.4, the reaction water yield: 17.5ml/h.5, n-butene inlet amount: 57.5ml/h.6, n-butene purity 92.4%.7, test period: 1000 hours.
Can find out that from table 2, table 3 modified resin catalyst of the present invention is compared with the azochlorosulfonate acid resin catalyst of simple function group has very high activity, can make isobutene and n-butene conversion ratio improve 10～30%. And the alkylamino radical functional group that the present invention introduces is more stable, and has the advantages such as operation is simple, do not need to consume a large amount of toxic solvents such as dichloroethanes, and the waste liquid of generation is few.
Claims (9)
1. the preparation method of a modified resin catalyst, it is as follows to it is characterized by step:
With crosslinked polystyrene be sulfonic acid sun resin or on phenyl ring introducing-F ,-Cl ,-Br ,-NO
2The crosslinked polystyrene of electron withdraw group be sulfonic acid sun resin as matrix, join in the mixture of pure water and alkylamine, by the method reaction regular hour of ion-exchange alkylamine is introduced sulfonic acid sun resin at a certain temperature and obtains containing sulfonic group-SO
3The catalyst of H, sulfonic alkyl amine multi-functional group.
2. the preparation method of modified resin catalyst as claimed in claim 1 is characterized by, and described ion exchange process carries out under the stirring in reactor.
3. the preparation method of modified resin catalyst as claimed in claim 1 is characterized by, and described ion exchange process is to carry out under 10～100 ℃ in temperature.
4. the preparation method of modified resin catalyst as claimed in claim 1 is characterized by, and described ion-exchange time is 0.5～20 hour.
5. the preparation method of modified resin catalyst as claimed in claim 1 is characterized by, and described alkylamine is a kiber alkyl amine NH
2R, dialkylamine NHRR
1, trialkyl tertiary amine N RR
1R
2, tetraalkyl quaternary amine NRR
1R
2R
3In one or more mixture, the dosage of alkylamine is 1～90% of a sulfonic acid group mol number; Described R, R1, R2, R3 are alkyl identical or inequality, and the carbon number of R, R1, R2, R3 is 1～22.
6. the preparation method of modified resin catalyst as claimed in claim 1 is characterized by, and the addition of alkylamine is 3～50% of a sulfonic acid group mol number.
7. the preparation method of modified resin catalyst as claimed in claim 1 is characterized by, and the addition of alkylamine is 5～25% of a sulfonic acid group mol number.
8. as the preparation method of right 1 described modified resin catalyst, it is characterized by, wherein the carbon number of R, R1, R2, R3 is 1～20.
9. the prepared modification strong acid of the preparation method of one of claim 1-8 sun resin catalyst.
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| CN2010100004413A CN101757947B (en) | 2010-01-08 | 2010-01-08 | Modified resin catalyst and preparation method thereof |
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|---|---|---|---|
| CN2010100004413A CN101757947B (en) | 2010-01-08 | 2010-01-08 | Modified resin catalyst and preparation method thereof |
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| CN101757947B CN101757947B (en) | 2012-05-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229682A (en) * | 2011-05-06 | 2011-11-02 | 凯瑞化工股份有限公司 | High-density resin and application thereof to reduction of strainer corrosion in butylene hydration reactor |
| CN102319586A (en) * | 2011-06-10 | 2012-01-18 | 凯瑞化工股份有限公司 | Resin catalyst used in alkylation reaction of isobutene and butylene and preparation method thereof |
| CN103506158A (en) * | 2013-10-25 | 2014-01-15 | 凯瑞化工股份有限公司 | Catalyst applicable to reaction in production of isobutene through tertiary butanol dehydration and preparation method thereof |
| CN103611572A (en) * | 2013-12-10 | 2014-03-05 | 王金明 | Catalyst for tert-butyl alcohol cleavage reaction and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3678099A (en) * | 1970-06-26 | 1972-07-18 | Chevron Res | Process for the esterification of isobutene |
| US4269943A (en) * | 1979-08-23 | 1981-05-26 | Rohm And Haas Company | Thermally stable resins prepared by bromination or chlorination of aromatic polymer beads followed by sulphonation |
| US5589517A (en) * | 1994-04-08 | 1996-12-31 | Mitsubishi Chemical Corporation | Modified ion exchange resins and use thereof |
| CN1167011A (en) * | 1996-05-31 | 1997-12-10 | 浦昭伦 | Method for preparing high thermal stability sulfonic acid type cation exchange resin catalyst |
| CN101229520B (en) * | 2008-01-30 | 2011-05-25 | 烟台大学 | Nature-changed cation resin catalyst |
-
2010
- 2010-01-08 CN CN2010100004413A patent/CN101757947B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229682A (en) * | 2011-05-06 | 2011-11-02 | 凯瑞化工股份有限公司 | High-density resin and application thereof to reduction of strainer corrosion in butylene hydration reactor |
| CN102229682B (en) * | 2011-05-06 | 2013-07-17 | 凯瑞化工股份有限公司 | High-density resin and application thereof in reduction of strainer corrosion in butylene hydration reactor |
| CN102319586A (en) * | 2011-06-10 | 2012-01-18 | 凯瑞化工股份有限公司 | Resin catalyst used in alkylation reaction of isobutene and butylene and preparation method thereof |
| CN102319586B (en) * | 2011-06-10 | 2012-10-17 | 凯瑞化工股份有限公司 | Resin catalyst used in alkylation reaction of isobutene and butylene and preparation method thereof |
| CN103506158A (en) * | 2013-10-25 | 2014-01-15 | 凯瑞化工股份有限公司 | Catalyst applicable to reaction in production of isobutene through tertiary butanol dehydration and preparation method thereof |
| CN103611572A (en) * | 2013-12-10 | 2014-03-05 | 王金明 | Catalyst for tert-butyl alcohol cleavage reaction and preparation method thereof |
| CN103611572B (en) * | 2013-12-10 | 2015-04-08 | 王金明 | Catalyst for tert-butyl alcohol cleavage reaction and preparation method thereof |
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|---|---|
| CN101757947B (en) | 2012-05-30 |
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Owner name: KAIRUI CHEMICAL PROTECTION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KAIRUI CHEMICAL CO., LTD. |
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Address after: 062451 Hebei Province Hejian City Gu Xian Xiang Xi Liu Zhuang Patentee after: Kai Rui environmental protection Science and Technology Co., Ltd. Address before: 062451 industry zone of West Village, Hejian City, Hebei Province Patentee before: Kairui Chemical Co., Ltd. |